Colloidal Sulfur
Colloidal Sulfur is a cosmetic ingredient used as an antimicrobial agent. It is used in 37 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).
| INCI name | COLLOIDAL SULFUR |
| Function | ANTIMICROBIAL |
| CAS number | 7704-34-9 |
| EC number | 231-722-6 |
| Prevalence | 37 products (0.04% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Monthly searches | 210 |
Used in
Facial Treatments 32.4%Wash Off Masks 16.2%Face Cleansers 13.5%Toners 10.8%General Moisturizers 8.1%Serums 5.4%
Frequently asked
- What does Colloidal Sulfur do in skincare?
- Colloidal Sulfur functions as an antimicrobial agent in cosmetic formulas.
- Is Colloidal Sulfur allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Colloidal Sulfur?
- It is most commonly found in Skincare products, especially facial treatments (32.4% of its uses).
Manufacturers with experience using Colloidal Sulfur
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.